Burton, David M. <br/><br/>
Elementary number theory / 
by David M. Burton. 
 - 7th ed. 
 - Boston :  McGraw-Hill, Higher Education,  2023.. 
 - xii, 436 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9789355325129 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory.
<br/><br/><label>Dewey Class. No.: </label>512.72  / BUR/E